TORONTO – Some of the most active companies traded Tuesday on the Toronto Stock Exchange and the TSX Venture Exchange:

Toronto Stock Exchange (13,951.77 down 38.52 points):

Bombardier Inc. (TSX:BBD.B). Transportation equipment. Down 16 cents, or 3.89 per cent, to $3.95 on 19.3 million shares. Bombardier is laying off 1,700 employees in its aerospace division, mostly in Montreal, as it steps up efforts to cut costs amid delays with two new aircraft and a tough market for both commercial and business planes.

Osisko Mining Corp. (TSX:OSK). Miner. Up 12 cents, or 1.85 per cent, to $6.59 on 9.1 million shares.

BlackBerry Ltd. (TSX:BB). Wireless communications. Up eight cents, or 0.74 per cent, to $10.88 on 6.7 million shares. The struggling smartphone maker announced after markets closed that it intends to sell the majority of its Canadian real estate assets.

Canadian Natural Resources Ltd. (TSX:CNQ). Oil and gas. Up 11 cents, or 0.31 per cent, to $35.75 on 5.1 million shares.

ProMetic Life Sciences Inc. (TSX:PLI). Biotechnology. Up two cents, or 1.79 per cent, to $1.14 on 5.1 million shares.

Toronto Venture Exchange (979.96 up 0.19 of a point):

Calibre Mining Corp. (TSXV:CXB). Miner. Down one cent, or 20 per cent, to four cents on 6.2 million shares.

Lomiko Metals Inc. (TSXV:LMR). Miner. Down 1.5 cents, or 10 per cent, to 13.5 cents on 6 million shares.

Companies reporting major news:

Saputo Inc. (TSX:SAP). Dairy processor. Down one cent, or 0.02 per cent, to $52.54 on 331,603 shares. The Montreal-based company has come out on top in a bidding war for Australia’s oldest dairy processor by gaining majority control of Warrnambool Cheese & Butter. Saputo said in a filing that it now has 52.7 per cent of Warrnambool’s shares ahead of Wednesday’s deadline on its offer.

Detour Gold Corp. (TSX:DGC). Miner. Down 31 cents, or 4.69 per cent, to $6.30 on 2.5 million shares. The company’s mine in northeastern Ontario fell short of its production target in the first year of operation. The company says an unexpectedly long shutdown in December had a significant impact on output, which was about three per cent below the lower end of its guidance.

Coastal Contacts Inc. (TSX:COA). Retailer. Down 58 cents, or 6.45 per cent, to $8.41 on 96,043 shares. The Vancouver-based seller of contact lenses and eye glasses has reported a net loss of $15.9 million or 52 cents per share for the 12 months ended Oct. 31, about triple what it was a year earlier, even as sales rose 11 per cent to $217.6 million.